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WO2022054952A1 - Procédé de fabrication d'un sac d'emballage autoportant, sac d'emballage autoportant, et dispositif de fabrication d'un sac d'emballage autoportant - Google Patents

Procédé de fabrication d'un sac d'emballage autoportant, sac d'emballage autoportant, et dispositif de fabrication d'un sac d'emballage autoportant Download PDF

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Publication number
WO2022054952A1
WO2022054952A1 PCT/JP2021/033588 JP2021033588W WO2022054952A1 WO 2022054952 A1 WO2022054952 A1 WO 2022054952A1 JP 2021033588 W JP2021033588 W JP 2021033588W WO 2022054952 A1 WO2022054952 A1 WO 2022054952A1
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WO
WIPO (PCT)
Prior art keywords
sleeve
sheet material
shaped bodies
self
packaging bag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2021/033588
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English (en)
Japanese (ja)
Inventor
徹 市川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hosokawa Yoko KK
Original Assignee
Hosokawa Yoko KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hosokawa Yoko KK filed Critical Hosokawa Yoko KK
Publication of WO2022054952A1 publication Critical patent/WO2022054952A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents

Definitions

  • the present invention relates to a method for manufacturing a self-supporting packaging bag, a self-supporting packaging bag, and an apparatus for manufacturing a self-supporting packaging bag.
  • Such a self-standing packaging bag includes, for example, a body portion composed of two opposing flat films and a bottom portion composed of a film in which a folding line is folded in a V shape toward the inner package. It is configured so that the central part of the folded bottom expands and becomes self-supporting due to the weight of the contents.
  • the side portion of the body of such a self-standing packaging bag is usually heat-sealed on the peripheral edges of two opposing films.
  • the heat-sealed portion of the body hits the hand and causes discomfort. Therefore, a configuration is disclosed in which the peripheral edge is not heat-sealed (for example, Patent Document 1). ).
  • Patent Document 1 only discloses a method for manufacturing a self-supporting packaging bag in a sheet-fed manner, a manufacturing method and a manufacturing apparatus capable of efficiently mass-producing the self-supporting packaging bag are desired. ing.
  • the present invention has been made in consideration of such circumstances, and an object of the present invention is to provide a self-standing packaging bag having a good usability and an efficient manufacturing method and manufacturing apparatus thereof.
  • the first aspect of the present invention is a notch forming step of feeding out a long sheet material for a body and forming two cuts in a width direction intersecting the feeding direction of the long sheet material for a body, and the body.
  • the sleeve-shaped body forming step of forming the plurality of sleeve-shaped bodies and in a state where the cut-out sides of the plurality of sleeve-shaped bodies are aligned and each is arranged and aligned in the width direction, the cut-outs of each of the plurality of sleeve-shaped bodies are aligned.
  • a bottom insertion step of inserting a half-folded bottom long sheet material, a joining step of joining each of the plurality of sleeve-shaped bodies and overlapping peripheral edges of the bottom long sheet material, and the bottom length It is a method of manufacturing a self-standing packaging bag having a separation step of separating a shaku sheet material for each of the plurality of sleeve-shaped bodies.
  • a second aspect of the present invention is to feed out a long body sheet material and join the side ends on both sides in the width direction intersecting the feeding direction of the body length long sheet material to form a long tubular body.
  • a method for manufacturing a self-standing packaging bag comprising a separation step of separating the long sheet material for the bottom for each of the plurality of sleeve-shaped bodies.
  • a third aspect of the present invention is, in the first or second aspect, a spout insertion step of inserting a spout into the other opening end of each of the plurality of sleeve-shaped bodies, and a method of inserting the spout into the plurality of sleeve-shaped bodies. It is a method of manufacturing a self-standing packaging bag having a spout attachment step of attaching the spout to each of them.
  • a fourth aspect of the present invention comprises a body composed of each of the plurality of tubular bodies and a bottom portion attached so as to close one open end of each of the plurality of sleeves. It is a self-standing packaging bag manufactured by any one of the first to third aspects.
  • a fifth aspect of the present invention is a first feeding portion for feeding out the long sheet material for the body, and two cuts at intervals in the width direction intersecting the feeding direction of the long sheet material for the body.
  • a second feeding portion for feeding out a portion and a long sheet material for the bottom half-folded into the notch of each of the plurality of sleeve-shaped bodies, and a long length for each of the plurality of sleeve-shaped bodies and the bottom portion. It is provided with a peripheral edge joining portion for joining the overlapping peripheral edges of the sheet material, and a separating portion for cutting the long bottom sheet material to a certain length in the transport direction and cutting each of the plurality of sleeve-shaped bodies. It is a self-supporting packaging bag manufacturing device.
  • a sixth aspect of the present invention is to join the first feeding portion for feeding the long sheet material for the body and the side ends on both sides in the width direction intersecting the feeding direction of the long sheet material for the body.
  • a joint portion that forms a long tubular body, a cut portion that cuts the tubular body to a certain length in the transport direction to form a plurality of sleeve-shaped bodies, and each of the plurality of sleeve-shaped bodies.
  • a notch processing portion that forms a notch on both sides in the width direction at one opening end, an alignment portion that aligns the notch sides of each of the plurality of sleeve-shaped bodies and arranges and conveys each in the width direction, and the above-mentioned.
  • the second feeding portion for feeding out the long bottom sheet material half-folded into the notch of each of the plurality of sleeve-shaped bodies overlaps with each of the plurality of sleeve-shaped bodies and the long sheet material for the bottom.
  • a self-standing packaging bag including a peripheral joint for joining peripheral edges and a separation portion for cutting the long sheet material for the bottom to a certain length in the transport direction and cutting each of the plurality of sleeves. It is a manufacturing equipment of.
  • a seventh aspect of the present invention is an insertion portion for inserting a spout on the other open end side of each of the plurality of sleeves, and an attachment for attaching the spout to each of the plurality of sleeves.
  • the self-supporting packaging bag manufacturing apparatus according to the fifth or sixth aspect, comprising the unit.
  • FIG. 1 is a perspective view showing a state at the time of use showing an example of the self-standing packaging bag of the present invention.
  • FIG. 2 is a rear view showing a state before use showing an example of the self-standing packaging bag of the present invention.
  • FIG. 3 is a perspective view showing an example of an embodiment in which the back of the body is attached.
  • FIG. 4 is a cross-sectional view taken along the line III-III of FIG.
  • FIG. 5 is a schematic configuration diagram showing an example of the self-supporting packaging bag manufacturing apparatus of the present invention.
  • FIG. 6 is a modified schematic view showing the peripheral structure of the long sheet material feeding portion for the body portion of the manufacturing apparatus.
  • FIG. 7 is a schematic view showing an example of transporting a body sheet material.
  • FIG. 1 is a perspective view showing a state at the time of use showing an example of the self-standing packaging bag of the present invention.
  • FIG. 2 is a rear view showing a state before use showing an example of the self-standing packaging bag
  • FIG. 8 is a schematic view showing an example of transporting a body sheet material.
  • FIG. 9 is a schematic view showing an example of clip connection and transportation of the body sheet material.
  • FIG. 10A is a diagram showing a configuration example of clips on both sides.
  • FIG. 10B is a diagram showing an example of transport using clips on both sides.
  • FIG. 11A is a diagram showing a configuration example of a wide clip.
  • FIG. 11B is a diagram showing a usage example using a wide clip.
  • FIG. 12A is a diagram showing another method of forming a notch in the sleeve-like body.
  • FIG. 12B is a diagram showing another method of forming a notch in the sleeve-like body.
  • FIG. 12C is a diagram showing another method of forming a notch in the sleeve-like body.
  • FIG. 1 is a perspective view showing a state at the time of use showing an example of the self-standing packaging bag of the present invention.
  • the self-standing packaging bag 1 of the present embodiment is a container that can pour out the contents made of a fluid or powder from a spout (mouth plug) 5 described later.
  • Examples of the contents to be contained in the self-standing packaging bag 1 include beverages, liquid foods, retort foods, food raw materials, liquid seasonings, chemicals and the like.
  • the self-standing packaging bag 1 includes a bag body 10 capable of accommodating the contents, and a spout 5 liquidally attached to the upper part of the bag body 10.
  • the bag body 10 is manufactured by joining the sheet material 6 described later into a tubular shape, and can, for example, contain the contents which are fluids in a liquid-tight manner.
  • a material capable of thermally bonding the layers constituting at least one surface to each other is used. Further, a material that can be thermally bonded is also used for the spout 5 described later.
  • the sheet material 6 is a laminated film in which at least a base material layer and a sealant layer are laminated, and the innermost layer on the inner side of the tubular shape is the sealant layer.
  • the base material layer a film having excellent printability and further having piercing strength, tensile strength, impact resistance, etc. can be used.
  • the material of the base material include polyethylene terephthalate (PET), polypropylene (PP), polyamide (PA) (polyamide is also referred to as nylon (NY)), ethylene vinyl alcohol copolymer, and the like.
  • PET polyethylene terephthalate
  • PP polypropylene
  • PA polyamide
  • NY nylon
  • a biaxially stretched film or a uniaxially stretched film can be used.
  • a vapor-deposited film or an ethylene vinyl alcohol copolymer in which these films are used as a base material layer and a metal such as aluminum or magnesium or an oxide such as silicon oxide is vapor-deposited in order to impart a barrier property to oxygen or water vapor.
  • a coat film or the like coated with a barrier coating agent such as (EVOH) or polyvinylidene chloride may be used.
  • the base material layer may be a simple substance of the above-mentioned film or a laminated body.
  • the sealant layer is a layer that can be heat-melted and heat-bonded within a temperature range in which the shape of the base material layer can be maintained.
  • the resin material of the sealant layer include high-density polyethylene (HDPE), low-density polyethylene (LDPE), polyethylene (PE) such as linear low-density polyethylene (LLDPE), and polypropylene (PP). These unstretched films and the above-mentioned resin can be extruded into layers to form a sealant layer.
  • polypropylene having excellent heat resistance may be used.
  • the laminated film may have an intermediate layer between the base material layer and the sealant layer, if necessary.
  • the intermediate layer include a film having functionality such as oxygen barrier property, water vapor barrier property, and tearing property.
  • Specific examples of the intermediate layer include a metal foil such as aluminum (AL), the above-mentioned vapor-filmed film, and a coated film.
  • the laminated film consisting of a base material layer, a sealant layer, and an intermediate layer used as needed is manufactured by a known method such as a dry laminating method (DL) using an adhesive or an extrusion laminating method using a thermoplastic resin.
  • a laminated film in which polyethylene terephthalate film (PET), aluminum (AL), biaxially stretched nylon film (ONY), and polyethylene (PE) are laminated by dry laminating (DL) can be mentioned.
  • This laminated structure can be represented by "PET / DL / AL / DL / ONY / DL / PE". With such a layer structure, the contents can be appropriately protected because they have a light-shielding property and a gas barrier property.
  • the bag body 10 of the present embodiment includes a tubular body portion 11 and a bottom portion 12 provided at the lower end of the body portion 11.
  • the bag body 10 is a self-standing bag body in which the bottom portion 12 expands due to the weight of the contents when the contents are stored, and the bag body 10 can stand on its own.
  • the front view shape of the bag body 10 in a state where the contents are not accommodated is substantially rectangular.
  • the front view shape of the bag body 10 is not limited to such a rectangular shape.
  • the body portion 11 of the bag body 10 has a strip-shaped upper seal portion 15 formed over the width direction on the upper end side opposite to the bottom portion 12.
  • the upper seal portion 15 extends downward from the central position in the width direction toward both sides. That is, both ends of the upper seal portion 15 have a joining region 15f that is joined wider in the vertical direction of the bag body 10 than the central portion in the width direction.
  • each joint region 15f has a trapezoidal shape in a side view seen from the Y direction, for example.
  • each bottom seal portion 17 seen from the front and back sides has a boat shape.
  • Each bottom seal portion 17 extends upward from the central position in the width direction toward both sides, and is formed so as to draw an arc. That is, each bottom sealing portion 17 has a pair of joining regions E on both sides in the width direction, and both sides are joined wider in the vertical direction of the bag body 10 than the central portion in the width direction.
  • the joint region E has a substantially triangular shape when viewed from the side in the Y direction.
  • the bag body 10 has a storage space R for storing the contents inside the body portion 11.
  • the spout 5 is located at the center of the upper seal portion 15 in the body portion 11 in the width direction, and is attached so as to be sandwiched between the opposite upper ends of the body portion 11.
  • the spout 5 is composed of a spout body 5A and a cap 5B detachably attached to the spout body 5A. By removing the cap 5B from the spout body 5A, the storage space R in the body 11 and the bag body 10 are formed. Communicate with the outside of.
  • the material of the spout 5 is a synthetic resin.
  • this synthetic resin include polyolefin resins, polyamide resins, polyester resins, vinyl chloride resins, vinylidene chloride resins and the like. Of these, polyolefin resins are preferable because they are excellent in processability and low in cost.
  • Typical examples of the polyolefin resin include high-density polyethylene (HDPE), medium-density polyethylene (MDPE), low-density polyethylene (LDPE), and linear low-density polyethylene (LLDPE), which are blended to improve performance. It may be partially crosslinked for the purpose of improving heat resistance.
  • the spout 5 may be formed of a single material, or may be formed of a multilayer structure composed of various resin layers. Further, the spout 5 can be formed by a known molding method such as injection molding or compression molding. After the bag body 10 is filled with the contents, the spout 5 is sealed by screwing the cap 5B to the spout body 5A.
  • FIG. 2 is a rear view showing a state before use showing an example of the self-standing packaging bag of the present invention.
  • FIG. 3 is a perspective view showing an example of an embodiment in which the back of the body is attached.
  • FIG. 4 is a cross-sectional view taken along the line III-III of FIG.
  • the portion constituting the body portion 11 is referred to as the body portion sheet material 6A
  • the portion constituting the bottom portion 12 is referred to as the bottom portion sheet material 6B.
  • the same film as the body sheet material 6A may be used, but a different film may be used.
  • the same type of material is used for each other's sealant layers because they are sealed with a heat seal.
  • the body sheet material 6A is a film made of "PET / DL / AL / DL / ONY / DL / PE”
  • the bottom sheet material 6B is made of "ONY / DL / AL / DL / PE". It may be a film.
  • the body portion 11 of the present embodiment is composed of a tubular sleeve-shaped body 9.
  • the sleeve-shaped body 9 has a tubular shape because the side ends 6a and 6b of the body sheet material 6A are butted against each other at a position at the center in the width direction in the X direction and joined to each other.
  • the base material layer 61 of the body sheet material 6A is placed on the outside and the sealant layer 62 is placed on the inside to form a cylinder.
  • the folding line N in the body sheet material 6A represents a position to be used as a guide when folding the side ends 6a and 6b.
  • the folded line N of the body sheet material 6A corresponds to the side edge 11a of the bag body 10 shown in FIG.
  • the flat surface portion 11A between the folded lines N and N of the body portion sheet material 6A becomes the front surface portion 10a of the bag body 10 shown in FIG. 1, and one folded line N of the sheet material 6 is formed.
  • the portion 11B between the side end 6a and the other side end 6b and the portion 11C between the other folding line N and the other side end 6b form the back surface portion 10b of the bag body 10.
  • the side ends 6a and 6b of the body sheet material 6A are butted against each other with no gap between them, and the bonding film 26 is placed on the inner surface side thereof.
  • the back-side heat-sealing portion 13 (FIG. 1) is formed into a tubular shape.
  • the method of forming the side ends 6a and 6b in the back surface side heat seal portion 13 is not limited to the above-mentioned joining method. good. Further, an envelope may be attached in which the inner surface of the side end 6a of the body sheet material 6A and the outer surface of the side end 6b are adhered to each other. Further, the envelope sticking and the gassho sticking between the side ends 6a and 6b may be joined by heat-sealing with an adhesive film, or may be joined with an adhesive.
  • the side ends 6a and 6b are butted against each other by the bonding film 26, and the thickness of the bonded portion can be reduced as compared with the above-mentioned gassho pasting or envelope pasting.
  • the self-supporting packaging bag 1 is bundled, it is easy to put together and handle.
  • the bonding film 26 has a heat-sealing property that can be heat-sealed with the sealant layer of the body sheet material 6A and the bottom sheet material 6B. That is, the bonding film 26 is a film formed of the same type of resin as the resin forming each sealant layer of the body sheet material 6A and the bottom sheet material 6B. Examples of the bonding film 26 include a laminated film having a sealant layer on both sides, a single-layer film, and a coextruded film. Among them, a single-layer synthetic resin film is preferable as the bonding film 26 from the viewpoint that the heat of the heat seal melts the film in the thickness direction as a whole and the thickness becomes thinner.
  • a single layer structure of a single resin but also a multi-layer structure including a plurality of resins may be provided, or a blend material of a plurality of resins may be used.
  • a blend material of a plurality of resins may be used.
  • a coextruded layer structure such as HDPE / LLDPE can be mentioned.
  • the upper open end 9e side of the sleeve-shaped body 9 is closed by the upper sealing portion 15 formed by heat-sealing with the upper ends of the front and back surfaces overlapping each other.
  • the bottom sheet material 6B constituting the bottom portion 12 of the bag body 10 is joined to the lower side of the sleeve-shaped body 9 in a half-folded state with the folding line 12a (FIG. 2) of the bottom sheet material 6B facing upward. ..
  • the bottom sheet material 6B is half-folded with the sealant layer side facing outward, and the innermost layer on the side facing the inner surface of the body portion 11 inside the sleeve-shaped body 9 is the sealant layer.
  • the bottom sheet material 6B in the present embodiment may be a film made of a material different from that of the body sheet material 6A described above, but a sealant layer made of the same type of resin is used because of good heat-sealing adhesion. It is preferable that it is a laminated film having.
  • the lower opening end 9d side of the sleeve-shaped body 9 is closed by the bottom sheet material 6B.
  • the lower open end 9d side of the sleeve-shaped body 9 is formed by heat-sealing the lower ends of the front and back surfaces and the folded end of the bottom sheet material 6B, respectively. It is closed by each bottom seal portion 17 on the front and back sides.
  • the folded line 12a is pushed downward by the weight of the contents, so that the half-folded bottom portion 12 is pushed open.
  • the bag body 10 can stand on its own. Further, the bag body 10 can stand on its own even in a state of being inflated with air.
  • FIG. 5 is a schematic configuration diagram showing an example of the self-supporting packaging bag manufacturing apparatus 100 of the present invention.
  • FIG. 6 is a modified schematic view showing the peripheral structure of the long sheet material feeding portion 101 for the body portion of the manufacturing apparatus 100.
  • FIG. 7 is a schematic view showing a transport example (standing state) of the body sheet material 6A.
  • FIG. 8 is a schematic view showing a transport example (sideways state) of the body sheet material 6A
  • FIG. 9 is a schematic diagram showing a clip connection transport example of the body sheet material 6A.
  • FIG. 10A is a diagram showing a configuration example of clips on both sides.
  • FIG. 10B is a diagram showing an example of transport using clips on both sides.
  • FIG. 11A is a diagram showing a configuration example of a wide clip.
  • FIG. 11B is a diagram showing a usage example using a wide clip.
  • 12A, 12B, and 12C are views showing another method of forming a notch 6c with respect to the sleeve-shaped body 9.
  • the self-supporting packaging bag manufacturing device 100 is a device for manufacturing the self-supporting packaging bag 1 described above.
  • the self-standing packaging bag manufacturing apparatus 100 includes a long sheet material feeding section (first feeding section) 101 for the body, a cutting section 102, a joining section 103, a cutting section 104, and an aligning section 105.
  • the body portion long sheet material feeding portion 101 is unwound from the original roll 101a around which the body portion long sheet material 6AR for forming the body portion 11 of the bag body 10 is wound, and the original fabric roll 101a.
  • a roller 101c is provided.
  • a long sheet material 6AR for the body is wound around the original roll 101a with the sealant layer 62 side inside.
  • the body portion long sheet material feeding portion 101 continuously or intermittently feeds the body portion long sheet material 6AR from the original roll 101a.
  • the long sheet material feeding portion 101 for the body portion may further include a transport roller for transporting the long sheet material 6AR for the body portion.
  • the apparatus configuration may be such that the direction change transfer roller 101b is not provided. Further, as shown in FIG. 5, the manufacturing apparatus 100 can be downsized by providing the transport roller 101b for turning direction.
  • the direction-changing transfer roller 101b is located on the downstream side of the original roll 101a in the sheet transfer direction, and the rotation axis is parallel to the rotation axis of the original roll 101a.
  • the direction change transfer roller 101b is arranged at a position facing the base material layer 61 side of the body length sheet material 6AR, and conveys the body length long sheet material 6AR while being in contact with the base material layer 61.
  • the cutting section 102 has, for example, a pair of cutting blades 102a.
  • the pair of cutting blades 102a are arranged according to the width dimension of the self-standing packaging bag 1 to be manufactured, and a pair of notches 6c are made with a predetermined length in the long sheet material 6AR for the body to be conveyed (cutting forming step). ).
  • the pair of notches 6c are formed at intervals in the width direction of the body length sheet material 6AR, and have a predetermined length along the transport direction. This length corresponds to the vertical length L of the half-folded bottom portion 12 shown in FIG.
  • the length L of the bottom portion 12 is the length from the opening end 9d (FIG. 3) to the folding line 12a (FIG. 2).
  • the pair of folding rollers 101c are located downstream of the direction-changing transport roller 101b and are arranged on both sides of the long body sheet material 6AR in the width direction.
  • the pair of folding rollers 101c are arranged at intervals narrower than the width dimension of the body length sheet material 6AR, when the body length sheet material 6AR passes between the pair of folding rollers 101c.
  • the side ends 6a and 6b are folded back toward the center.
  • the long sheet material 6AR for the body portion is formed into a cylindrical shape with the sealant layer 62 side inside.
  • the present invention is not limited to the pair of folding back rollers 101c described above, and for example, another guide portion that does not rotate is installed. You may.
  • a guide portion for example, it is known to use a plate-shaped member.
  • a plate-shaped member is installed, and the long sheet material 6AR for the body to be conveyed is rubbed with the plate-shaped member so as to be curved in a convex shape near the center in the width direction.
  • the side ends 6a and 6b may be folded back.
  • the joint portion 103 includes a joint film roll 103a, a heat shield plate 103b, and a joint roller 103c, and side portions (sides) on both sides in the width direction intersecting the feeding direction of the long sheet material 6AR for the body portion.
  • the ends) are joined to form a long tubular body 8 (cylindrical body forming step).
  • the bonding film roll 103a holds the bonding film 26 in a roll shape and feeds it out on the transport path of the long sheet material 6AR for the body.
  • the bonding film roll 103a is schematically shown in FIG. 5, the bonding film 26 is actually installed on the transport path as shown in FIG. 6, and the bonding film 26 is elongated for the body portion by rotating the shaft portion 103d. It is sent out to the sheet material 6AR side.
  • the shaft portion 103d extends in a direction intersecting the transport direction.
  • the bonding film roll 103a around which the bonding film 26 is wound around the shaft portion 103d is located at the center in the width direction of the long sheet material 6AR for the body portion.
  • the heat shield plate 103b is inserted inside the long body sheet material 6AR whose side ends 6a and 6b are folded back, and is arranged at a position where the side ends 6a and 6b overlap with the side ends 6a and 6b of the long body sheet material 6AR. Has been done.
  • the heat shield plate 103b may hold the bonding film 26 substantially at the center in the width direction.
  • the heat shield plate 103b is made of, for example, a metal plate.
  • the joining roller 103c joins the side ends 6a and 6b by the joining film 26 by pressing the portion where the side ends 6a and 6b of the long sheet material 6AR for the body are butted against each other toward the joining film 26.
  • the joining roller 103c is arranged at a position where both the side ends 6a and 6b of the long sheet material 6AR for the body are pressed.
  • the bonding roller 103c is heated and rotates as the long sheet material 6AR for the body is conveyed to heat-seal the sealant layers of the side ends 6a and 6b and the bonding film 26.
  • the joining means is not limited to the method using the joining roller 103c, and for example, the joining may be performed by intermittently contacting the side ends 6a and 6b with a hot plate. Further, due to the effect of the heat shield plate 103b, the bonding film 26 does not heat-seal the flat surface portion 11A (FIG. 3) of the body portion 11, so that the tubular body 8 can be formed.
  • the cutting portion 104 cuts the tubular body 8 into a single leaf with a constant length in the transport direction to produce a plurality of sleeve-shaped bodies 9 (sleeve-shaped body forming step).
  • the cutting portion 104 cuts the tubular body 8 in accordance with the position of the cut 6c formed in the cutting portion 102. Specifically, as shown in FIG. 5, the cylindrical body 8 is cut at the cut line C set according to the position of each cut 6c on the tip side in the transport direction.
  • the cut length is constant and substantially coincides with the vertical length of the bag body 10 to be manufactured. The cut length can be appropriately changed according to the type of the bag body 10 to be manufactured.
  • the long sheet material feeding portion 106 for the bottom is installed in the vicinity of the aligning portion 105 on the downstream side of the cutting portion 104, and has an original roll 106a, a folding roller 106b, and a half-folding roller 106c.
  • the bottom long sheet material feeding portion 106 feeds out the bottom long sheet material 6BR in a direction intersecting the transport direction of the body long sheet material 6AR.
  • a long bottom sheet material 6BR for forming the bottom 12 of the bag body 10 is wound around the raw roll 106a with the sealant layer 62 on the outside.
  • the original roll 106a continuously or intermittently feeds out the long bottom sheet material 6BR.
  • the folding roller 106b is located on the downstream side of the original roll 106a.
  • the folding roller 106b has a function of folding one end side of the bottom long sheet material 6BR in the width direction toward the other end side. At this time, the bottom long sheet material 6BR is folded back so that the base material layer 61 side is on the inside.
  • one end side of the bottom long sheet material 6BR in the width direction can be folded back toward the other end side, it is not limited to the above-mentioned folding roller 106b, and for example, another non-rotating guide portion is installed. You may.
  • a guide portion for example, it is known to use a triangular plate.
  • a triangular plate may be installed, and the long bottom sheet material 6BR to be transported may be half-folded by rubbing with the triangular plate so as to bend the vicinity of the center in the width direction in a convex shape.
  • the pair of half-fold rollers 106c are arranged close to each other. Each half-fold roller 106c is conveyed toward the alignment portion 105 side while sandwiching the bottom long sheet material 6BR between the two. As a result, the long bottom sheet material 6BR is half-folded with the sealant layer 62 on the outside, and a fold line 12a is formed on the folded side.
  • the long sheet material 6BR for the bottom can be folded in half, it is not limited to the pair of half-fold rollers 106c described above, and other guide portions may be installed.
  • the folded line 12a can be formed by arranging a pair of plate materials so as to have a gap slightly larger than the thickness of the half-folded bottom long sheet material 6BR and passing through these gaps.
  • the alignment portion 105 is arranged at a point where the transport direction of the tubular body 8 made of the long sheet material 6AR for the body and the transport direction of the half-folded long sheet material 6BR for the bottom intersect.
  • the aligning portion 105 inserts the half-folded bottom long sheet material 6BR unwound from the bottom long sheet material feeding portion 106 into the notch 6c of the single-wafer sleeve-shaped body 9 produced by the cutting portion 104.
  • the sleeve-shaped bodies 9 combined with the long bottom sheet material 6BR are transported in a lined up in a row in each width direction.
  • the alignment portion 105 sequentially inserts the bottom long sheet material 6BR into each notch 6c from the sleeve-shaped body 9 produced in the cutting portion 104 (bottom insertion step).
  • a plurality of sleeve-shaped bodies 9 are combined in the transport direction of the bottom sheet material 6B with respect to the bottom long sheet material 6BR.
  • the aligning portion 105 aligns and conveys a plurality of sleeve-shaped bodies 9 having a long bottom sheet material 6BR inserted in each notch 6c in each width direction, and at that time, in each sleeve-shaped body 9.
  • the open ends 9d in which the notches 6c are formed are conveyed in a aligned state.
  • the alignment portion 105 may transport the plurality of sleeve-shaped bodies 9 in an upright state or in a horizontally laid state.
  • the aligning portion 105 conveys a plurality of sleeve-shaped bodies 9 combined with the long bottom sheet material 6BR in an upright state.
  • the produced sleeve-shaped bodies 9 can be supplied from the upper side toward the aligning portion 105. ..
  • the bottom long sheet material 6BR which is unwound from the bottom long sheet material feeding portion 106, is carried upright and conveyed with the folding line 12a of the bottom long sheet material 6BR facing upward.
  • the sleeve-shaped body 9 produced in the cut portion 104 falls with the opening end 9d side in which the notch 6c is formed facing down, the half-folded long sheet material 6BR for the bottom is substantially contained in each notch 6c. Inserted vertically. Due to the weight of the sleeve-shaped body 9, the long bottom sheet material 6BR is inserted all the way into the notch 6c. In this way, the aligning portion 105 can automatically insert the long bottom sheet material 6BR into the pair of notches 6c by dropping the sleeve-shaped body 9 produced by the cutting portion 104.
  • the alignment portion 105 can be carried upright in a state where the sleeve-shaped body 9 is vertically combined with the long sheet material 6BR for the bottom.
  • the aligning portion 105 sends the bottom long sheet material 6BR to the downstream side in the transport direction of the bottom long sheet material 6BR at the timing when the sleeve-shaped body 9 produced next falls.
  • the bottom of the sleeve-shaped body 9 sequentially produced is continuous with respect to the sleeve-shaped body 9. Insertion is possible.
  • the sleeve-shaped bodies 9 are sequentially combined in the flow direction (transportation direction) of the long sheet material 6BR for the bottom, and a plurality of independent sleeve-shaped bodies 9 are arranged and aligned in a row in each width direction. Can be done.
  • the notch 6c side of the sleeve-shaped body 9 is placed so as to cover the half-cut bottom long sheet material 6BR, so that the folding dimension of the bottom gusset can be made constant. Become.
  • the transport locus of the long bottom sheet material 6BR may be linear or circular. By making the transport locus of the long bottom sheet material 6BR a circular rotary type, the device can be made compact.
  • the transport may be carried in a state of being sandwiched between the pair of transport belts 105A, or as shown in FIG. 8, a plurality of sleeve-shaped bodies may be transported by the adhesive transport belt 105C having the transport surface side as the adhesive surface. 9 may be adhered and transported.
  • the adhesive force of the adhesive surface is preferably an adhesive force that makes it easy to attach and detach the sleeve-shaped bodies 9, and the sleeve-shaped bodies 9 do not interfere with the work during manufacturing. It does not matter if the adhesive strength is such that the body 9 can be fixed and can be easily peeled off.
  • a urethane resin urethane rubber having self-adhesiveness can be adopted, or an acrylic adhesive coating sheet may be adopted.
  • the sleeve-shaped body 9 may be sucked and sucked onto the transport belt for transport.
  • a transport belt having no adhesiveness can be used, so that it is possible to prevent dust and the like from adhering to the transport surface.
  • a plurality of aligned sleeve-shaped bodies 9 may be connected to each other with a clip 105B or the like and conveyed.
  • a clip 105B for example, a type of clip 105Ba that can be sandwiched on both sides as shown in FIG. 10A may be adopted.
  • the clip 105Ba on both sides is a pair arranged between the base 51, the pair of clip bodies 52, the support means 53 that rotatably supports the pair of clip bodies 52, and the base 51 and the pair of clip bodies 52, respectively.
  • the elastic member 54 of the above is provided.
  • the pair of clip bodies 52 are attached side by side in the length direction of the base 51, rotate about a rotation axis O parallel to the width direction of the base 51, and press the pressing portion 52b of each clip body 52.
  • the tip 52a side expands and expands.
  • the side edge sides of the plurality of sleeve-shaped bodies 9 may be connected to each other by using such double-sided clips 105Ba.
  • the clip 105Ba on both sides is not limited to the clip having the structure shown in the figure, and any clip having a structure that can be sandwiched on both sides can be used.
  • the wide clip 105B for example, a wide clip 105Bb as shown in FIG. 11A may be adopted.
  • the wide clip 105Bb includes a base 55, a clip body 56, a support means 57 that rotatably supports the clip body 56, and a pair of elastic members 58 arranged between the base 55 and the clip body 56.
  • the entire length direction can be expanded on one side in the width direction. Therefore, as shown in FIG. 11B, once the pressing portion 56b of the clip main body 56 is pressed, the tip 56a side expands and expands, and a part of the adjacent sleeve-shaped body 9 is formed between the base portion 55 and the clip main body 56. Can be sandwiched at the same time. At this time, the open end 9e sides of the adjacent sleeve-shaped bodies 9 are sandwiched by the wide clip 105Bb.
  • the pair of transport belts 105A, the transport means using the adhesive transport belt 105C and the clip 105B, and the transport means by suction are not only used for standing transport but also for horizontal transport. It can be adopted at times.
  • either transport method by aligning the plurality of sleeve-shaped bodies 9 with their respective open end 9d sides aligned, continuous bottom insertion into each sleeve-shaped body 9 becomes easy.
  • the first joint portion 107 has, for example, a pair of point seal molds 107a having a triangular shape.
  • the pair of point seal dies 107a face the opening end (one opening end) 9d on one side of the sleeve-shaped body 9 in the length direction and in which the notch 6c is formed. Since the half-folded bottom long sheet material 6BR is inserted in the notch 6c of the sleeve-shaped body 9, the bottom long sheet material 6BR is inserted on the opening end 9d side of the sleeve-shaped body 9 in the length direction. The ends of the sheet material 6BR on the opposite side of the fold line 12a further overlap each other.
  • a part of the open end 9d of the sleeve-shaped body 9 is heat-welded to a part of the long bottom sheet material 6BR and temporarily fixed.
  • Each temporary fixing region K by the pair of point seal molds 107a is within the range of the bottom seal portion 17 shown in FIG.
  • the first joint portion 107 may be provided with, for example, a cooling device for cooling the temporarily fixed portion.
  • the spout insertion portion 108 is located on the other opening end 9e side of the sleeve-shaped body 9, and is inside the sleeve-shaped body 9 from the opening on the side opposite to the opening end 9d in which the notch 6c is formed. Insert a part of.
  • the spout insertion portion 108 arranges the spout body 5A at the center of the sleeve-shaped body 9 in the width direction and at a position overlapping the joint portion (rear side heat seal portion 13) between the side ends 6a and 6b (mouth plug insertion step). ).
  • the second joint portion 109 includes an upper end seal mold 109A and a lower end seal mold 109B.
  • the upper end seal mold 109A and the lower end seal mold 109B approach or separate from the sleeve-shaped body 9 at the same timing.
  • the upper end seal mold 109A forms the upper seal portion 15 of the bag body 10 by heat-sealing the open end 9e of the sleeve-shaped body 9 in which the spout body 5A is interposed, and integrates the spout body 5A into the sleeve-shaped body 9. To make it.
  • the lower end seal mold 109B forms the bottom seal portion 17 of the bag body 10 on the front and back sides by mainly sealing the open end 9d of the sleeve-shaped body 9 temporarily fixed to the long sheet material 6BR for the bottom. Then, the sleeve-shaped body 9 and the long sheet material 6BR for the bottom are joined (joining step: mouth plug attaching step).
  • first joint portion 107 and the second joint portion 109 may be collectively referred to as peripheral joint portions 107 and 109. That is, the peripheral edge joining portions 107 and 109 join the overlapping peripheral edges of the sleeve-shaped body 9 and the long bottom sheet material 6BR (joining step). In this way, the bag body 10 to which the spout body 5A is attached is manufactured.
  • the second joint portion 109 may be provided with, for example, a cooling device for cooling the heat seal portion.
  • a cooling device for cooling the heat seal portion.
  • the separating portion 110 cuts the bottom long sheet material 6BR to a certain length in the transport direction, cuts the bottom long sheet material 6BR into each of a plurality of bag bodies 10 (sleeve-shaped bodies 9), and is connected by the bottom long sheet material 6BR.
  • the bag bodies 10 are separated from each other (separation step). It is preferable that the adjacent bag bodies 10 are arranged without gaps in the transport direction of the long bottom sheet material 6BR, whereby one cutting edge inserted between the adjacent bag bodies 10 is used for the bottom length.
  • the portion of the shaku sheet material 6BR located between the bag bodies 10 can be cut at one time. By cutting the long bottom sheet material 6BR in this way, each bag body 10 can be separated. If a plurality of bag bodies 10 are aligned on the bottom long sheet material 6BR without gaps, the work can be simplified because they can be separated in one cut, and the cut loss of the bottom long sheet material 6BR can be reduced.
  • a plurality of bag bodies 10 when aligned with a gap between the long bottom sheet material 6BR, they may be cut by cutting twice with one cutting blade. In this case, since there is a gap between the bag bodies 10, it is easy to insert the cutting edge and the side edges of the bag bodies 10 are not easily damaged. Further, it may be cut by one cut with two blades. With a so-called die-cut blade in which two blades are arranged at intervals corresponding to the gaps between the bag bodies 10, the outer peripheral edge of each bag body 10 can be cut off with one cut. As a result, the stroke of the die-cut blade is only one stroke, which is convenient, and the end face of the bag body 10 can be cleaned and die-cut into a desired shape. In this way, the self-standing packaging bag 1 having a beautiful appearance can be efficiently manufactured.
  • the self-standing packaging bag 1 having no heat-sealed portion on the side edges 11a on both sides in the width direction can be efficiently manufactured and mass-produced. Since the manufactured self-standing packaging bag 1 has a configuration in which the peripheral edge is not heat-sealed, the heat-sealed portion of the body portion 11 does not come into contact with the hand when the body portion 11 is gripped, and the packaging has a good usability. It becomes a bag.
  • the cutting portion 102 is arranged on the upstream side of the joining portion 103, and the side ends 6a and 6b of the long sheet material 6AR for the body portion are joined to form the tubular body 8.
  • a notch 6c is made in the long sheet material 6AR for the body in a flat state. This is efficient because the notch 6c can be formed while conveying the long sheet material 6AR for the body, but the timing for forming the notch 6c is not limited to the above-mentioned timing.
  • the cut portion 102 is arranged on the downstream side of the cutting portion 104, and the tubular body 8 is cut to a predetermined length to form the sleeve-shaped body 9, and then the width of the sleeve-shaped body 9 on the tip side in the transport direction. Notches 6c may be formed on both sides of the direction.
  • the cut portion 102 is installed on the downstream side of the cutting portion 104, and from the opening end 9d on the lower end side of the sleeve-shaped body 9 formed in the cutting portion 104.
  • the spout body 5A can be welded to the opening end 9e side to manufacture a self-standing bag with a spout.
  • the step of inserting the spout body 5A and the step of joining the sleeve-shaped body 9 and the long sheet material 6BR for the bottom can be performed at the same time. , The manufacturing efficiency can be further improved.
  • the spouts are inserted one by one, but a plurality of spout bodies 5A may be inserted into adjacent sleeve-shaped bodies 9, or a plurality of inserted spout bodies 5A may be heat-sealed at the same time. It may be an embodiment.
  • the self-supporting packaging bag 1 with a bag has been described, but a bag configuration without a bag 5 may be used.
  • the manufacturing apparatus may not include the spout insertion portion 108.
  • the production of the sleeve-shaped body 9 and the subsequent production of the self-supporting bag are performed by an integrated device, but the device for manufacturing up to the sleeve-shaped body 9 and the subsequent self-supporting bag manufacturing device, that is, the sleeve-shaped body. It is also possible to insert the bottom into the notch 6c at the bottom of 9 and insert the spout body 5A into the upper opening and heat-seal them to manufacture a self-standing bag with a spout. In this case, the sleeve-shaped body 9 is manufactured continuously at high speed as in the joining roller 103c of FIG. 5, shared by a plurality of self-supporting bag manufacturing devices, and the subsequent manufacturing process is performed. You can have a lot of manufacturing variations.
  • the self-supporting packaging bag manufacturing method and the self-supporting packaging bag manufacturing apparatus it is possible to provide a self-standing packaging bag having a good usability and an efficient manufacturing method and manufacturing apparatus thereof.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Bag Frames (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un sac d'emballage autoportant (1) comprenant : une étape d'acheminement d'un matériau en feuille allongé de corps (6AR) et de liaison d'extrémités latérales (6a, 6b) l'une à l'autre sur les deux côtés dans une direction de largeur croisant une direction d'acheminement du matériau en feuille allongé de corps (6AR) pour former un corps cylindrique allongé (8) ; une étape de découpe du corps cylindrique (8) à une longueur constante dans la direction d'acheminement pour former une pluralité de corps en forme de manchon (9) ; une étape de réalisation de découpes (6c) sur les deux côtés dans la direction de largeur dans une extrémité d'ouverture (9e) de chacun de la pluralité de corps en forme de manchon (9) ; une étape d'insertion d'un matériau en feuille allongé de fond demi-plié (6BR) dans les découpes (6c) de chacun de la pluralité de corps en forme de manchon (9) dans un état dans lequel chacun de la pluralité de corps en forme de manchon (9) est disposé dans une direction de largeur de celui-ci ; une étape de liaison ensemble de chacun de la pluralité de corps en forme de manchon (9) et du matériau en feuille allongé de fond (6BR) inséré dans les découpes (6c) de chacun de la pluralité de corps en forme de manchon (9) ; et une étape de division du matériau en feuille allongé de fond (6BR) pour chacun de la pluralité de corps en forme de manchon (9).
PCT/JP2021/033588 2020-09-14 2021-09-13 Procédé de fabrication d'un sac d'emballage autoportant, sac d'emballage autoportant, et dispositif de fabrication d'un sac d'emballage autoportant Ceased WO2022054952A1 (fr)

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JP2020153753A JP2022047784A (ja) 2020-09-14 2020-09-14 自立型包装袋の製造方法、自立型包装袋、自立型包装袋の製造装置

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JP2023143057A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143060A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143054A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143063A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143064A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143058A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143066A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143067A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143068A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143056A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143061A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143065A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143059A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143055A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP2023143062A (ja) * 2022-03-25 2023-10-06 株式会社三洋物産 遊技機
JP1791316S (ja) 2022-12-27 2025-02-17 包装用袋

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001171689A (ja) * 1999-12-20 2001-06-26 Fuji Seal Inc パウチ容器及びその製造方法
WO2020059647A1 (fr) * 2018-09-19 2020-03-26 株式会社フジシールインターナショナル Procédé de fabrication et dispositif de fabrication d'un récipient de type poche

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001171689A (ja) * 1999-12-20 2001-06-26 Fuji Seal Inc パウチ容器及びその製造方法
WO2020059647A1 (fr) * 2018-09-19 2020-03-26 株式会社フジシールインターナショナル Procédé de fabrication et dispositif de fabrication d'un récipient de type poche

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